Lamp



FIG. 1 is a perspective view showing the new design for a lamp;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a top perspective view thereof in an open position;

FIG. 9 is a bottom perspective view thereof in an open position; and,

FIG. 10 is a top perspective view of a portion thereof.

The broken line disclosure represents portions of the lamp which form nopart of the claimed design.

CLAIM The ornamental design for a lamp, as shown and described. 